SECURITIES AND EXCHANGE COMMISSIONS WASHINGTON, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15A-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2002 SCOTTISH POWER PLC (Translation of Registrant's Name Into English) CORPORATE OFFICE, 1 ATLANTIC QUAY, GLASGOW, G2 8SP (Address of Principal Executive Offices) (Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.) Form 20-F _X_ Form 40-F ___ (Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.) Yes ___ No _X_ (If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-_____.) FORM 6-K: TABLE OF CONTENTS 1. Notification by Scottish Power plc on Schedule 10, dated December 10, 2002, of major interests in shares. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. /s/ Scottish Power plc ----------------------------------- (Registrant) Date December 11, 2002 By: /s/ Alan McCulloch ----------------- ----------------------------------- Alan McCulloch Assistant Company Secretary SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) Name of company Scottish Power plc 2) Name of shareholder having a major interest Capital Research and Management Company 3) Please state whether notification indicates that it is in respect of holding of the shareholder named in 2 above or in respect of a non-beneficial interest or in the case of an individual holder if it is a holding of that person's spouse or children under the age of 18 Capital Research and Management Company 4) Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them State Street Nominees Limited 4,328,018 Chase Nominees Limited 125,994,794 JPM Nominees Limited 13,400 Total 130,336,212 5) Number of shares/amount of stock acquired Not stated 6) Percentage of issued class Not stated 7) Number of shares/amount of stock disposed Not stated 8) Percentage of issued class Not stated 9) Class of security Ordinary 50p shares 10) Date of transaction Not stated 11) Date company informed 9 December 2002 12) Total holding following this notification 130,336,212 13) Total percentage holding of issued class following this notification 7.03% 14) Any additional information 15) Name of contact and telephone number for queries Alan McCulloch Assistant Secretary 0141 566 4683 16) Name and signature of authorised company official responsible for making this notification Alan McCulloch Date of notification 10 December 2002.